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Question 21 What happens when (a) cooking medium is made to flow down a drain? (b) insecticides, motor oil, and paints are poured down the drain? (c) tea leaves, cotton swabs, and soft old toys are thrown into the drain? |
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Answer» Question 21 What happens when (a) cooking medium is made to flow down a drain? (b) insecticides, motor oil, and paints are poured down the drain? (c) tea leaves, cotton swabs, and soft old toys are thrown into the drain? |
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